CN101661417B - Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method - Google Patents
Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method Download PDFInfo
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- CN101661417B CN101661417B CN200910093032.XA CN200910093032A CN101661417B CN 101661417 B CN101661417 B CN 101661417B CN 200910093032 A CN200910093032 A CN 200910093032A CN 101661417 B CN101661417 B CN 101661417B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
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Abstract
The technical scheme of the invention aims at providing an interface system used for ensuring connection reliability between a sub-card and a backing plate in rack equipment, the backing plate and a method. The interface system comprises: a plate in-place detection unit used for detecting whether the sub-card is inserted in place correctly when a connection needle group of the sub-card is inserted in a connector on the backing plate; a case detection unit used for judging whether the current case, in which the sub-card is inserted, is the case suitable for the sub-card; and a slot position detection unit used for judging whether the current slot position where the sub-card is inserted is the slot position suitable for the sub-card. When the sub-card is inserted in the backing plate, the interface system not only detects whether the sub-card is correctly installed in place, but also further detects the code of the case of the backing plate in which the sub-card is inserted and the code of the inserted slot position, and makes clears the present working environment of the sub-card, thus comprehensively detecting the connection status between the sub-card and the backing plate and ensuring the reliable connection between the sub-card and the backing plate.
Description
Technical field
The present invention relates to data communication technology field, refer in particular in a kind of rack-mount unit for guaranteeing interface system, backboard and the method for subcard and backboard connection reliability.
Background technology
Development along with the communication technology, the function of communicating equipment product from strength to strength, appearance design is but more exquisite, makes thus the components and parts density of setting of communicating equipment product inside more and more higher, and on the inner backboard density of setting of communicating equipment product and backboard, the connector density of setting also increases day by day.
Due to the increase of connector density of setting on backboard density of setting and backboard, require the contact engaging and separating force between subcard and backboard also to need to increase.In the situation that the intron calorie requirement is more energetically, if the plug-in card dynamics will probably cause inserting situation not in place not, make thus device fails, affect the normal use of communicating equipment product.
For guaranteeing reliable connection the between backboard and subcard, usually when communicating equipment product being installed inserting subcard, need to detect current subcard and whether insert and put in place and can carry out safe and reliable work.Have now for the detection and localization subcard and whether insert the technology put in place, whether the common pilot pin just detected on subcard is inserted to put in place and is got final product, whether connect reliably and whether can not detect normal condition environmental work after inserting for subcard, therefore when equipment breaks down, be difficult to the insertion connectivity problem of positioning searching to subcard.
Therefore, the problem based on above-mentioned, necessaryly insert the detection and localization technology to existing subcard and improved, and researchs and develops a kind of system and method that can detect more exactly subcard and backboard connection reliability.
Summary of the invention
The purpose of technical solution of the present invention is to provide in a kind of rack-mount unit for guaranteeing interface system, backboard and the method for subcard and backboard connection reliability, also detect all sidedly the connection status between subcard and backboard by system, guarantee reliable connection between the two.
For realizing above-mentioned purpose, it is a kind of for guaranteeing the interface system of subcard and backboard connection reliability that one aspect of the present invention provides, and described interface system comprises:
Whether plate detecting unit in place, while for the connecting needle group when subcard, inserting the connector on backboard, detect described subcard and correctly insert and put in place;
The cabinet detecting unit, for judging whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
Groove position detecting unit, for judging whether the current groove position that described subcard inserts is the applicable groove position of described subcard.
Preferably, interface system described above, described interface system also comprises an Anti-misplugging structure unit, described Anti-misplugging structure unit comprises a wrong insertion-proof slot position, coordinate with the anti-mis-insertion pilot pin of described subcard by described wrong insertion-proof slot position, prevent described subcard inserting error groove position.
Preferably, interface system described above, described interface system also comprises a detection of dynamic unit, the running status after starting for detection of described subcard, when described subcard normally moves work, report a detection of dynamic signal to described backboard.
Preferably, interface system described above, whether described plate detecting unit in place puts in place for detection of the first pin inserted on described connector and the second pin, and wherein said the first pin and described the second pin lay respectively at two diagonal angles of described connecting needle group.
Preferably, interface system described above, described cabinet detecting unit inserts the data-signal of the described connecting needle group output of described connector by detection, obtain the coding of described current cabinet, and the coding of the pre-stored described applicable cabinet of described cabinet detecting unit, coding by the coding by described current cabinet and described applicable cabinet compares, and judges whether described current cabinet is one of described applicable cabinet.
Preferably, interface system described above, described groove position detecting unit inserts the data-signal of the described connecting needle group output of described connector by detection, obtain the coding of described current groove position, and the coding of the pre-stored described applicable groove of detecting unit position, described groove position, coding by the coding by described current groove position and described applicable groove position compares, and judges whether described current groove position is one of described applicable groove position.
The present invention also provides a kind of backboard on the other hand, comprises the interface system be connected with subcard, and described interface system comprises:
Whether plate detecting unit in place, while for the connecting needle group when subcard, inserting the connector on backboard, detect described subcard and correctly insert and put in place;
The cabinet detecting unit, for judging whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
Groove position detecting unit, for judging whether the current groove position that described subcard inserts is the applicable groove position of described subcard.
Preferably, backboard described above, described interface system also comprises an Anti-misplugging structure unit, described Anti-misplugging structure unit comprises a wrong insertion-proof slot position, coordinate with the anti-mis-insertion pilot pin of described subcard by described wrong insertion-proof slot position, prevent described subcard inserting error groove position.
Preferably, backboard described above, described interface system also comprises a detection of dynamic unit, the running status after starting for detection of described subcard, when described subcard normally moves work, report a detection of dynamic signal to described backboard.
Further aspect of the present invention also provides a kind of method that guarantees subcard and backboard connection reliability by interface system, and described method comprises:
When the connecting needle group of subcard is inserted the connector on backboard, whether plate detecting unit in place detects described subcard and correctly inserts and put in place;
The cabinet detecting unit judges whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
Groove position detecting unit judges whether the current groove position that described subcard inserts is the applicable groove position of described subcard.
At least one in technique scheme of the present invention has following beneficial effect:
Described for guaranteeing interface system, backboard and the method for subcard and backboard connection reliability, when subcard inserts backboard, except whether the detection subcard correctly is in place, also further detect subcard and insert the coding of backboard place cabinet and the coding of institute's insertion groove position, thereby the working environment complete detection subcard that clear and definite subcard is current and the connection status of backboard, guarantee can reliably to be connected between subcard and backboard;
The Dynamic Signal also reported by the normal operation of monitoring subcard in addition, grasp the duty of subcard, can the real-time report control system when connection is broken down, while avoiding positioning problems, mistake one's bearings, guarantee the normal operation of subcard, therefore with prior art, just adopt the indicator signal in place of subcard to judge that the duty of subcard compares, can greatly improve reliability and the maintainability of system.
The accompanying drawing explanation
Fig. 1 is the structural representation that the described interface system of the specific embodiment of the invention is connected to backboard;
The schematic flow sheet that Fig. 2 is the described method of the specific embodiment of the invention;
Fig. 3 is for explanation adopts the described method of the specific embodiment of the invention, makes subcard insert after backboard the process schematic diagram that starts work.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
The described interface system of the specific embodiment of the invention, when subcard inserts backboard, except whether the detection subcard correctly is in place, also further detect subcard and insert the coding of backboard place cabinet and the coding of institute's insertion groove position, whether the current working environment of clear and definite subcard is to be applicable to environment, guarantees can reliably be connected and normally move work between subcard and backboard.
The structural representation that Fig. 1 is the described interface system of the specific embodiment of the invention, consult Fig. 1, and interface system 10 is arranged at backboard 20, and this interface system 10 comprises:
Whether plate detecting unit 11 in place, when the connecting needle group of subcard is inserted the connector on backboard 20, correctly insert and put in place for detection of subcard;
Whether groove position detecting unit 13 is the applicable groove position of this subcard for the current groove position that judges connector on subcard insertion backboard 20.
It will be appreciated by those skilled in the art that, by the plate of the described interface system of specific embodiment of the invention detecting unit 11 in place, cabinet detecting unit 12 and groove position detecting unit 13, whether the detection subcard can insert and put in place, and the working environment of definite subcard, thereby reach the effect of guaranteeing can reliably be connected and normally move between subcard and backboard work.
In addition, consult Fig. 1, described interface system also comprises a detection of dynamic unit 14 and an Anti-misplugging structure unit 15, by detection of dynamic unit 14, detects the running status after described subcard starts, when described subcard normally moves work, to described backboard, report a detection of dynamic signal.
Described Anti-misplugging structure unit 15, the structural member be connected by backboard 20 and subcard is realized, interface at backboard 20 connectors arranges a specified channel position, one pilot pin coordinated with this specified channel position is set in the pin of subcard connecting needle group, pilot pin structure difference on different subcards, make the connector on backboard 20 to be connected with the subcard with specific guide latch structure, therefore by the coupling of specified channel position on pilot pin on subcard and back panel connector, can prevent that subcard from inserting the incorrect link device on backboard.
In the described interface system of the specific embodiment of the invention, when subcard inserts the connector of backboard 20, at first by the Anti-misplugging structure unit, prevent that subcard from inserting the incorrect groove position on backboard 20, avoid mispluging of subcard to cause subcard to damage.
Afterwards, after subcard correctly inserts the connection tank position on backboard 20, detect subcard by plate detecting unit 11 in place and whether correctly insert and put in place.In the described interface system of the specific embodiment of the invention, whether plate detecting unit 11 in place accurately puts in place by the first pin and the second pin that detects subcard connecting needle connector that group is inserted, determine whether subcard correctly inserts and put in place, wherein this first pin and the second pin diagonal angle setting in the connecting needle group of subcard respectively.Due to the first pin and the setting of the second pin diagonal angle, two pins insert distance on connector farthest at subcard, determine that if detect the first pin and the second pin all are connected on backboard reliably, can guarantee that all pins in subcard connecting needle group are connected with backboard 20 fully reliably.
Due to daughter card applications, when the different device types, the initial work of subcard is different; Work for the treatment of when subcard is inserted into different groove positions simultaneously is also different, therefore grasps current device type and the current groove position that subcard inserts, and for the connection status of understanding subcard and backboard, is necessary.Therefore, the described interface system 10 of the specific embodiment of the invention, after detect determining that subcard accurately inserts and puts in place, further by cabinet detecting unit 12 and groove position detecting unit 13, detect the data-signal of the connecting needle group output of inserting back panel connector, the coding and the subcard that obtain respectively current cabinet that subcard inserts insert the coding of current groove position, determine the type of subcard institute interventional instrument by the coding of current cabinet, determine the type of subcard institute's insertion groove position by the coding of current groove position.
The pre-stored subcard of wherein said cabinet detecting unit 12 can be suitable for the coding of the cabinet of various equipment types, cabinet coding unit 12 is by detecting the coding of current cabinet that subcard inserts, the coding of the coding of current cabinet and applicable cabinet is compared, judge whether the current cabinet that subcard inserts is one of applicable cabinet, also determine whether the current device that subcard inserts is applicable device type, if the determination result is NO, can determine that it is wrong cabinet that subcard inserts current cabinet, connection error between subcard and backboard, now need to detect the control system 21 of information reporting to backboard 20, when the current cabinet of judgement is one of applicable cabinet, can determine that being connected between subcard and backboard is correct, now the coding by current cabinet makes subcard understand the cabinet environment of current application, and according to different cabinets, the antithetical phrase card carries out different initial work.
In addition, the coding of each applicable groove position that described groove position detecting unit 13 pre-stored subcards can insert, the coding of the current groove position that groove position detecting unit 13 inserts by the detection subcard, the coding of the coding of current groove position and applicable groove position is compared, judge whether the current groove position that subcard inserts is one of applicable groove position, if the determination result is NO, the current groove position that the subcard insertion is described is incorrect, connection error between subcard and backboard, now need testing result is reported to the control system 21 of backboard 20.When one of pre-stored applicable groove position coding of being encoded to of judgement current groove position, it is correct can judging being connected between subcard and backboard, now by the coding of current groove position, can make subcard understand the groove position of current application, in order to carry out corresponding different processing for different groove positions.
Interface system 10 is in place by above-mentioned plate, the detection of cabinet and groove position, when definite subcard connects when correct, start subcard work by control system 21, now by detection of dynamic unit 14, detect the running status after subcard starts, when subcard normally moves work, send a dynamic pulse signal to control system 21, report control system 21 these subcard normal operations by this dynamic pulse signal, whether control system 21 bases receive dynamic pulse signal is judged that can subcard work, when not receiving dynamic pulse signal, determine that the undesired or subcard of subcard work broke down with being connected of backboard.
The described interface system 10 of the specific embodiment of the invention, when subcard works, the non-static signals by feed back a dynamic pulse signal to control system, can avoid stationary singnal the situation of current state to occur when wrong correctly reflecting.And control system 21 makes when subcard broke down with being connected of backboard by the dynamic pulse signal of Real-Time Monitoring interface system 10 feedbacks, can obtain in time corresponding information.
The specific embodiment of the invention also provides a kind of backboard 20 with above-mentioned interface system 10 on the other hand, and the interface system 10 of this backboard 20 comprises:
Whether plate detecting unit 11 in place, when the connecting needle group of subcard is inserted the connector on backboard 20, correctly insert and put in place for detection of subcard; Wherein whether plate detecting unit 11 in place accurately puts in place by the first pin and the second pin that detects subcard connecting needle connector that group is inserted, determine whether subcard correctly inserts and put in place, wherein this first pin and the second pin diagonal angle setting in the connecting needle group of subcard respectively.
Whether groove position detecting unit 13 is the applicable groove position of this subcard for the current groove position that judges connector on subcard insertion backboard 20; The data-signal that wherein this groove position detecting unit 13 sends according to the connecting needle on backboard 20, detect the coding of current groove position, coding by the coding by current groove position and pre-stored applicable groove position compares, judge whether the current groove position that subcard inserts is an applicable groove position, and current groove position is while being an applicable groove position, coding according to current groove position, determine the type of current groove position, thereby make subcard understand the groove position of current application, in order to carry out corresponding different processing for different groove positions.
Detection of dynamic unit 14, the running status after starting for detection of subcard, when subcard normally moves work, toward back plate reports a detection of dynamic signal; Report control system 21 these subcard normal operations by this dynamic pulse signal, whether control system 21 bases receive dynamic pulse signal is judged that can subcard work, make when subcard broke down with being connected of backboard 20, can obtain in time corresponding information.
The interface system 10 of the described backboard 20 of the specific embodiment of the invention, by plate detecting unit 11 in place, cabinet detecting unit 12, groove position detecting unit 13, the cooperation of detection of dynamic unit 14 and Anti-misplugging structure unit 15, except the connection status that detects subcard and backboard, also further detect the duty of working environment and the Real-Time Monitoring subcard of subcard, can the real-time report control system when connection is broken down, while avoiding positioning problems, mistake one's bearings, with prior art, just adopt the indicator signal in place of subcard to judge that the duty of subcard compares, can greatly improve reliability and the maintainability of system.
In addition, it will be appreciated by those skilled in the art that, described backboard 20 has above-mentioned interface system 10, the subcard be inserted on backboard 20 is adapted to this interface system 10, should have the interface system coordinated with this interface system 10, the interface system wherein be arranged on subcard is corresponding with the interface system 10 of backboard 20.
The specific embodiment of the invention also provides a kind of method that an interface system guarantees subcard and backboard connection reliability of passing through on the other hand, as the structural representation of method as described in Fig. 2 specific embodiment of the invention, consults Fig. 2, and described method comprises:
Step S201, when subcard inserts the connector on backboard, the Anti-misplugging structure unit by described interface system prevents that described subcard from inserting the wrong groove position on described backboard;
Step S202, whether the plate of described interface system detecting unit in place detects described subcard and correctly inserts and put in place;
Step S203, whether the current cabinet that the cabinet detecting unit of described interface system detects described subcard insertion is the applicable cabinet of described subcard;
Step S204, the groove position detecting unit of described interface system judges whether the current groove position that described subcard inserts described connector is the applicable groove position of described subcard;
Step S205, when described subcard normally moves work, the detection of dynamic unit of described interface system reports the detection of dynamic signal of described subcard.
Fig. 3, for explanation adopts the described method of the specific embodiment of the invention, makes subcard insert the process schematic diagram of backboard startup work, consults Fig. 3, and this process, from step S301, also comprises:
S302, the connecting needle group of subcard is inserted the connector of backboard, prevents the wrong groove position of subcard insertion connector by the Anti-misplugging structure unit of interface system;
S303, whether plate detecting unit in place detects described subcard and correctly inserts and put in place, if the determination result is NO, performs step S304 downwards, if judgment result is that, is to perform step S305 downwards;
S304, prompting is reported to the police;
S305, the cabinet detecting unit obtains the coding of current cabinet that subcard inserts, and judges whether current cabinet is the applicable cabinet of this subcard, when the determination result is NO, performs step S306 downwards, judgment result is that while being, performs step S307 downwards; The data-signal that wherein the cabinet detecting unit sends according to the connecting needle on backboard, detect the coding of current cabinet, coding by the coding by current cabinet and pre-stored applicable cabinet compares, judge whether the current cabinet that subcard inserts is an applicable cabinet, and current cabinet is while being an applicable cabinet, according to the coding of current cabinet, determine the type of current cabinet;
S306, prompting is reported to the police;
S307, groove position detecting unit obtains the coding that subcard inserts current groove position, judges whether current groove position is the applicable groove position of this subcard, when the determination result is NO, performs step S308 downwards, judgment result is that while being, performs step S309 downwards; The data-signal that its middle slot position detecting unit sends according to the connecting needle on backboard, detect the coding of current groove position, coding by the coding by current groove position and pre-stored applicable groove position compares, judge whether the current groove position that subcard inserts is an applicable groove position, and current groove position is while being an applicable groove position, according to the coding of current groove position, determine the type of current groove position;
S308, prompting is reported to the police;
S309, subcard completes normal initial work;
S310, subcard starts operation, monitors in real time the duty of subcard by the detection of dynamic unit, during the subcard normal operation, to control system, reports a dynamic pulse signal;
S311, finish.
The described method of the specific embodiment of the invention, when subcard inserts backboard, except whether the detection subcard correctly is in place, also further detect subcard and insert the coding of backboard place cabinet and the coding of institute's insertion groove position, the working environment that clear and definite subcard is current, and monitor the Dynamic Signal that the subcard normal operation reports, grasp the duty of subcard, thereby the connection status of complete detection subcard and backboard, guarantee can reliably to be connected between subcard and backboard.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. one kind for guaranteeing the interface system of subcard and backboard connection reliability, it is characterized in that, described interface system comprises:
Whether plate detecting unit in place, while for the connecting needle group when subcard, inserting the connector on backboard, detect described subcard and correctly insert and put in place;
The cabinet detecting unit, the coding of the cabinet of various equipment types that can be applicable for pre-stored described subcard, the coding of the current cabinet that described subcard is inserted and the coding of applicable cabinet compare, and judge whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
Groove position detecting unit, the coding of each groove position that can be suitable for for pre-stored described subcard, the coding of the current groove position that described subcard is inserted and the coding of applicable groove position compare, and judge whether the current groove position that described subcard inserts is the applicable groove position of described subcard;
The detection of dynamic unit, the running status after starting for detection of described subcard, when described subcard normally moves work, report a detection of dynamic signal to described backboard.
2. interface system as claimed in claim 1, it is characterized in that, described interface system also comprises an Anti-misplugging structure unit, described Anti-misplugging structure unit comprises a wrong insertion-proof slot position, coordinate with the anti-mis-insertion pilot pin of described subcard by described wrong insertion-proof slot position, prevent described subcard inserting error groove position.
3. interface system as claimed in claim 1, it is characterized in that, whether described plate detecting unit in place puts in place for detection of the first pin inserted on described connector and the second pin, and wherein said the first pin and described the second pin lay respectively at two diagonal angles of described connecting needle group.
4. interface system as claimed in claim 1, is characterized in that, described cabinet detecting unit inserts the data-signal of the described connecting needle group output of described connector by detection, obtains the coding of described current cabinet.
5. interface system as claimed in claim 1, is characterized in that, described groove position detecting unit inserts the data-signal of the described connecting needle group output of described connector by detection, obtains the coding of described current groove position.
6. a backboard, comprise the interface system be connected with subcard, it is characterized in that, described interface system comprises:
Whether plate detecting unit in place, while for the connecting needle group when subcard, inserting the connector on backboard, detect described subcard and correctly insert and put in place;
The cabinet detecting unit, the coding of the cabinet of various equipment types that can be applicable for pre-stored described subcard, the coding of the current cabinet that described subcard is inserted and the coding of applicable cabinet compare, and judge whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
Groove position detecting unit, the coding of each groove position that can be suitable for for pre-stored described subcard, the coding of the current groove position that described subcard is inserted and the coding of applicable groove position compare, and judge whether the current groove position that described subcard inserts is the applicable groove position of described subcard;
The detection of dynamic unit, the running status after starting for detection of described subcard, when described subcard normally moves work, report a detection of dynamic signal to described backboard.
7. backboard as claimed in claim 6, it is characterized in that, described interface system also comprises an Anti-misplugging structure unit, and described Anti-misplugging structure unit comprises a wrong insertion-proof slot position, coordinate with the anti-mis-insertion pilot pin of described subcard by described wrong insertion-proof slot position, prevent described subcard inserting error groove position.
8. a method that guarantees subcard and backboard connection reliability by interface system, is characterized in that, described method comprises:
When the connecting needle group of subcard is inserted the connector on backboard, whether plate detecting unit in place detects described subcard and correctly inserts and put in place;
The coding of the cabinet of the various equipment types that the pre-stored described subcard energy of cabinet detecting unit is applicable, the coding of the current cabinet that described subcard is inserted and the coding of applicable cabinet compare, and judge whether the current cabinet that described subcard inserts is the applicable cabinet of described subcard;
The coding of each groove position that detecting unit pre-stored described subcard in groove position can be suitable for, the coding of the current groove position that described subcard is inserted and the coding of applicable groove position compare, and judge whether the current groove position that described subcard inserts is the applicable groove position of described subcard;
Running status after the described subcard of detection of dynamic unit inspection starts, when described subcard normally moves work, report a detection of dynamic signal to described backboard.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910093032.XA CN101661417B (en) | 2009-09-17 | 2009-09-17 | Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method |
| PCT/CN2010/076568 WO2011032463A1 (en) | 2009-09-17 | 2010-09-02 | Interface system, backboard and method for ensuring connection reliability between sub-card and backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910093032.XA CN101661417B (en) | 2009-09-17 | 2009-09-17 | Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method |
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| Publication Number | Publication Date |
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| CN101661417A CN101661417A (en) | 2010-03-03 |
| CN101661417B true CN101661417B (en) | 2014-01-08 |
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| CN200910093032.XA Active CN101661417B (en) | 2009-09-17 | 2009-09-17 | Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method |
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| WO (1) | WO2011032463A1 (en) |
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| CN101661417B (en) * | 2009-09-17 | 2014-01-08 | 中兴通讯股份有限公司南京分公司 | Interface system ensuring connection reliability between sub-card and backing plate, backing plate and method |
| CN102402474B (en) * | 2010-09-10 | 2014-08-13 | 中兴通讯股份有限公司 | Prototype verification device for programmable logic devices |
| CN102609344A (en) * | 2012-02-16 | 2012-07-25 | 杭州海康威视数字技术股份有限公司 | Method and device for detecting hot plug subboards of multi-subboard PCI-E (peripheral component interconnect express) system |
| JP5876782B2 (en) * | 2012-07-25 | 2016-03-02 | アズビル株式会社 | Control device |
| CN103346893A (en) * | 2013-05-08 | 2013-10-09 | 华为技术有限公司 | Communication plugboard and communication device |
| WO2015012794A1 (en) * | 2013-07-22 | 2015-01-29 | Hewlett-Packard Development Company, L.P. | Module connectivity device |
| US10606324B2 (en) | 2015-01-16 | 2020-03-31 | Hewlett Packard Enterprise Development Lp | Plenum to deliver cool air and route multiple cables |
| CN106771830A (en) * | 2016-12-28 | 2017-05-31 | 中核控制系统工程有限公司 | A kind of safe level DCS device position and posture detection method |
| CN107632566B (en) * | 2017-09-19 | 2020-06-30 | 新华三技术有限公司 | Board card identification device and method and network equipment |
| CN108959010A (en) * | 2018-06-28 | 2018-12-07 | 新华三技术有限公司 | Board and electronic equipment |
| CN109697149A (en) * | 2018-11-21 | 2019-04-30 | 加弘科技咨询(上海)有限公司 | Server and external function element-interconn ection state detecting method, system and server |
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|---|---|
| WO2011032463A1 (en) | 2011-03-24 |
| CN101661417A (en) | 2010-03-03 |
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